gnutls-cli-debug(1) on Linux
The text 5aec570db56e, as Debian 9 (Stretch) shipped it.
GnuTLS debug client
Flags it lists
-
-! -
--app-proto -
--debug -
--help -
--more-help -
--port -
--starttls-proto -
--verbose -
--version -
-V -
-d -
-h -
-p -
-v